diff --git a/pkgs/applications/blockchains/parity/beta.nix b/pkgs/applications/blockchains/parity/beta.nix
index a6d4660dff1..a26a1b7cc77 100644
--- a/pkgs/applications/blockchains/parity/beta.nix
+++ b/pkgs/applications/blockchains/parity/beta.nix
@@ -1,6 +1,6 @@
 let
-  version     = "2.6.2";
-  sha256      = "1j4249m5k3bi7di0wq6fm64zv3nlpgmg4hr5hnn94fyc09nz9n1r";
-  cargoSha256 = "1wr0i54zc3l6n0x6cvlq9zfy3bw9w5fcvdz4vmyym9r1nkvk31s7";
+  version     = "2.6.4";
+  sha256      = "11l93w97961zig4gqf345j9l20g0mjp7fayl1mdwdp14hhd5zk5g";
+  cargoSha256 = "1q6cbms7j1h726bvq38npxkjkmz14b5ir9c4z7pb0jcy7gkplyxx";
 in
   import ./parity.nix { inherit version sha256 cargoSha256; }
diff --git a/pkgs/applications/blockchains/parity/default.nix b/pkgs/applications/blockchains/parity/default.nix
index 88d24a87e13..299bb0639b6 100644
--- a/pkgs/applications/blockchains/parity/default.nix
+++ b/pkgs/applications/blockchains/parity/default.nix
@@ -1,6 +1,6 @@
 let
-  version     = "2.5.7";
-  sha256      = "0aprs71cbf98dsvjz0kydngkvdg5x7dijji8j6xadgvsarl1ljnj";
-  cargoSha256 = "11mr5q5aynli9xm4wnxcypl3ij7f4b0p7l557yi9n0cvdraw8ki4";
+  version     = "2.5.9";
+  sha256      = "06gmfw5l8n5i35dimsmj6dn0fxhbp53zjrdvbkff63r5kfqnwnx2";
+  cargoSha256 = "1kdy0bnmyqx4rhpq0a8gliy6mws68n035kfkxrfa6cxr2cn53dyb";
 in
   import ./parity.nix { inherit version sha256 cargoSha256; }